So, what is an influencer? The definition of an influencer is someone who has the power to influence / affect the purchasing decisions of others. There are several reasons why someone has the power to influence others, amongst them are authority, knowledge or because they are seen as experts. Furthermore some of them have a strong relationship with their followers, their followers feel as connected to the influencer as to their inner circle. Whenever they recommends a certain product / service they are very open to this recommendation. Note: authenticity is key!